diff --git a/emsdk_manifest.json b/emsdk_manifest.json
index adf618d..b0f3c5a 100644
--- a/emsdk_manifest.json
+++ b/emsdk_manifest.json
@@ -16,6 +16,22 @@
     "activated_path": "%installation_dir%/bin",
     "activated_cfg": "LLVM_ROOT='%installation_dir%/bin'"
   },
+  {
+    "id": "clang",
+    "version": "3.3",
+    "bitness": 32,
+    "windows_url": "clang_3.3_32bit.zip",
+    "activated_path": "%installation_dir%",
+    "activated_cfg": "LLVM_ROOT='%installation_dir%'"
+  },
+  {
+    "id": "clang",
+    "version": "3.3",
+    "bitness": 64,
+    "windows_url": "clang_3.3_64bit.zip",
+    "activated_path": "%installation_dir%",
+    "activated_cfg": "LLVM_ROOT='%installation_dir%'"
+  },
   {
     "id": "clang",
     "version": "3.2",
@@ -66,6 +82,22 @@
     "activated_path": "%installation_dir%",
     "activated_cfg": "PYTHON='%installation_dir%/python%.exe%'"
   },
+  {
+    "id": "python",
+    "version": "2.7.5.3",
+    "bitness": 32,
+    "windows_url": "python_2.7.5.3_32bit.zip",
+    "activated_path": "%installation_dir%",
+    "activated_cfg": "PYTHON='%installation_dir%/python%.exe%'"
+  },
+  {
+    "id": "python",
+    "version": "2.7.5.3",
+    "bitness": 64,
+    "windows_url": "python_2.7.5.3_64bit.zip",
+    "activated_path": "%installation_dir%",
+    "activated_cfg": "PYTHON='%installation_dir%/python%.exe%'"
+  },
   {
     "id": "java",
     "version": "7.45",
@@ -109,6 +141,15 @@
     "activated_path": "%installation_dir%",
     "activated_env": "EMSCRIPTEN=%installation_dir%"
   },
+  {
+    "id": "emscripten",
+    "version": "1.7.8",
+    "windows_url": "emscripten-1.7.8.zip",
+    "unix_url": "emscripten-1.7.8.tar.gz",
+    "activated_cfg": "EMSCRIPTEN_ROOT='%installation_dir%'",
+    "activated_path": "%installation_dir%",
+    "activated_env": "EMSCRIPTEN=%installation_dir%"
+  },
   {
     "id": "emscripten",
     "version": "incoming",
@@ -173,6 +214,12 @@
     "uses": ["clang-3.2-32bit", "node-0.10.17-32bit", "python-2.7.5.1-32bit", "java-7.45-32bit", "emscripten-1.7.1"],
     "os": "win"
   },
+  {
+    "version": "1.7.8",
+    "bitness": 32,
+    "uses": ["clang-3.3-32bit", "node-0.10.17-32bit", "python-2.7.5.3-32bit", "java-7.45-32bit", "emscripten-1.7.8"],
+    "os": "win"
+  },
   {
     "version": "incoming",
     "bitness": 64,
@@ -215,6 +262,12 @@
     "uses": ["clang-3.2-64bit", "node-0.10.17-64bit", "python-2.7.5-64bit", "java-7.45-64bit", "emscripten-1.7.1"],
     "os": "win"
   },
+  {
+    "version": "1.7.8",
+    "bitness": 64,
+    "uses": ["clang-3.3-64bit", "node-0.10.17-64bit", "python-2.7.5.3-64bit", "java-7.45-64bit", "emscripten-1.7.8"],
+    "os": "win"
+  },
   {
     "version": "1.7.1",
     "bitness": 64,